2745257192 has 8 divisors (see below), whose sum is σ = 5147357250. Its totient is φ = 1372628592.

The previous prime is 2745257191. The next prime is 2745257201. The reversal of 2745257192 is 2917525472.

It can be written as a sum of positive squares in only one way, i.e., 2664004996 + 81252196 = 51614^2 + 9014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2745257191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171578567 + ... + 171578582.

Almost surely, 2^2745257192 is an apocalyptic number.

It is an amenable number.

2745257192 is a deficient number, since it is larger than the sum of its proper divisors (2402100058).

2745257192 is a wasteful number, since it uses less digits than its factorization.

2745257192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343157155 (or 343157151 counting only the distinct ones).

The product of its digits is 352800, while the sum is 44.

The square root of 2745257192 is about 52395.2019940758. The cubic root of 2745257192 is about 1400.2137755188.

The spelling of 2745257192 in words is "two billion, seven hundred forty-five million, two hundred fifty-seven thousand, one hundred ninety-two".